Beyond Linux® From Scratch (systemd Edition) - Version 11.3

Chapter 9. General Libraries

Qca-2.3.5

Introduction to Qca

Qca aims to provide a straightforward and cross-platform crypto API, using Qt datatypes and conventions. Qca separates the API from the implementation, using plugins known as Providers.

This package is known to build and work properly using an LFS 11.3 platform.

Package Information

Qca Dependencies

Required

make-ca-1.12, CMake-3.25.2, Qt-5.15.8, and Which-2.21

Optional

Cyrus SASL-2.1.28, GnuPG-2.4.0, libgcrypt-1.10.1, libgpg-error-1.46, nss-3.88.1, NSPR-4.35, p11-kit-0.24.1, Doxygen-1.9.6, Which-2.21, and Botan

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/qca

Installation of Qca

Fix the location of the CA certificates: 

sed -i 's@cert.pem@certs/ca-bundle.crt@' CMakeLists.txt

Install Qca by running the following commands: 

mkdir build &&
cd    build &&

cmake -DCMAKE_INSTALL_PREFIX=$QT5DIR            \
      -DCMAKE_BUILD_TYPE=Release                \
      -DQCA_MAN_INSTALL_DIR:PATH=/usr/share/man \
      .. &&
make

To test the results, issue make test.

Now, as the root user: 

make install

Command Explanations

-DCMAKE_BUILD_TYPE=Release: This switch is used to apply a higher level of compiler optimizations.

-DQCA_MAN_INSTALL_DIR:PATH=/usr/share/man: Install the qca man page in the normal location.

Contents

Installed Programs: mozcerts-qt5 and qcatool-qt5
Installed Libraries: libqca-qt5.so, libqca-cyrus-sasl.so, libqca-gcrypt.so, libqca-gnupg.so, libqca-logger.so, libqca-nss.so, libqca-ossl.so, and libqca-softstore.so
Installed Directories: $QT5DIR/include/Qca-qt5, $QT5DIR/lib/cmake/Qca-qt5, and $QT5DIR/lib/qca-qt5

Short Descriptions

mozcerts-qt5

is a command line tool for converting certdata.txt into outfile.pem files

qcatool-qt5

is a command line tool for performing various cryptographic operations with Qca

libqca-qt5.so

is the Qt Cryptography Architecture (Qca) library